# @Author: ystlogn
# @Date:   2018-08-16 11:34:54
# @Last Modified by:   ystlogn
# @Last Modified time: 2018-08-16 11:41:10
set a "bb aa cc"

puts $a
set b {aa bb}
set fileds [split $a]
# puts split $a
puts $fileds
puts $b
